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Merge pull request #580 from tomaka/subpass-ty-check

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Check the type of the subpass in the auto CB builder
This commit is contained in:
tomaka 2017-07-03 13:38:34 +02:00 committed by GitHub
commit 587ed7ca97
1 changed files with 30 additions and 6 deletions
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34
vulkano/src/command_buffer/auto.rs
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@ -65,12 +65,18 @@ use sync::PipelineStages;
pub struct AutoCommandBufferBuilder<P = StandardCommandPoolBuilder> {
inner: SyncCommandBufferBuilder<P>,
state_cacher: StateCacher,
// Contains the number of subpasses remaining in the current render pass, or `None` if we're
// outside a render pass. If this is `Some(0)`, the user must call `end_render_pass`. If this
// is `Some(1)` or more, the user must call `next_subpass`.
subpasses_remaining: Option<usize>,
// True if we are a secondary command buffer.
secondary_cb: bool,
// True if we're in a subpass that only allows executing secondary command buffers. False if
// we're in a subpass that only allows inline commands. Irrelevant if not in a subpass.
subpass_secondary: bool,
}
impl AutoCommandBufferBuilder<StandardCommandPoolBuilder> {
@ -86,6 +92,7 @@ impl AutoCommandBufferBuilder<StandardCommandPoolBuilder> {
state_cacher: state_cacher,
subpasses_remaining: None,
secondary_cb: false,
subpass_secondary: false,
})
}
}
@ -102,9 +109,15 @@ impl<P> AutoCommandBufferBuilder<P> {
}
#[inline]
fn ensure_inside_render_pass(&self) -> Result<(), AutoCommandBufferBuilderContextError> {
fn ensure_inside_render_pass(&self, secondary: bool)
-> Result<(), AutoCommandBufferBuilderContextError>
{
if self.subpasses_remaining.is_some() {
if self.subpass_secondary == secondary {
Ok(())
} else {
Err(AutoCommandBufferBuilderContextError::WrongSubpassType)
}
} else {
Err(AutoCommandBufferBuilderContextError::ForbiddenOutsideRenderPass)
}
@ -151,6 +164,7 @@ impl<P> AutoCommandBufferBuilder<P> {
self.inner
.begin_render_pass(framebuffer, contents, clear_values)?;
self.subpasses_remaining = Some(num_subpasses - 1);
self.subpass_secondary = secondary;
Ok(self)
}
}
@ -260,7 +274,7 @@ impl<P> AutoCommandBufferBuilder<P> {
unsafe {
// TODO: must check that pipeline is compatible with render pass
self.ensure_inside_render_pass()?;
self.ensure_inside_render_pass(false)?;
check_dynamic_state_validity(&pipeline, &dynamic)?;
check_push_constants_validity(&pipeline, &constants)?;
check_descriptor_sets_validity(&pipeline, &sets)?;
@ -296,7 +310,7 @@ impl<P> AutoCommandBufferBuilder<P> {
unsafe {
// TODO: must check that pipeline is compatible with render pass
self.ensure_inside_render_pass()?;
self.ensure_inside_render_pass(false)?;
let ib_infos = check_index_buffer(self.device(), &index_buffer)?;
check_dynamic_state_validity(&pipeline, &dynamic)?;
check_push_constants_validity(&pipeline, &constants)?;
@ -341,7 +355,7 @@ impl<P> AutoCommandBufferBuilder<P> {
unsafe {
// TODO: must check that pipeline is compatible with render pass
self.ensure_inside_render_pass()?;
self.ensure_inside_render_pass(false)?;
check_dynamic_state_validity(&pipeline, &dynamic)?;
check_push_constants_validity(&pipeline, &constants)?;
check_descriptor_sets_validity(&pipeline, &sets)?;
@ -435,7 +449,9 @@ impl<P> AutoCommandBufferBuilder<P> {
Some(ref mut num) => {
*num -= 1;
}
}
};
self.subpass_secondary = secondary;
let contents = if secondary { SubpassContents::SecondaryCommandBuffers }
else { SubpassContents::Inline };
@ -716,6 +732,9 @@ pub enum AutoCommandBufferBuilderContextError {
/// Tried to end a render pass with subpasses remaining, or tried to go to next subpass with no
/// subpass remaining.
NumSubpassesMismatch,
/// Tried to execute a secondary command buffer inside a subpass that only allows inline
/// commands, or a draw command in a subpass that only allows secondary command buffers.
WrongSubpassType,
}
impl error::Error for AutoCommandBufferBuilderContextError {
@ -735,6 +754,11 @@ impl error::Error for AutoCommandBufferBuilderContextError {
"tried to end a render pass with subpasses remaining, or tried to go to next \
subpass with no subpass remaining"
},
AutoCommandBufferBuilderContextError::WrongSubpassType => {
"tried to execute a secondary command buffer inside a subpass that only allows \
inline commands, or a draw command in a subpass that only allows secondary \
command buffers"
},
}
}
}